Inventor · disambiguated record
Ryoei Oka
Also filed as: OKA RYOEI
7 granted patents·1 pending application·68 citations·filing 1997–2018
83Inventor score
Files withSUMITOMO ELECTRIC INDUSTRIES8
Top patents by PatentIndex Score
8 records- 0188US11029477B2Optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Granted Jun 8, 2021·7 cites·7 claims
- 0268US6905646B1Methods of producing synthetic resin wireSUMITOMO ELECTRIC INDUSTRIES·Filed 2000·Granted Jun 14, 2005·10 cites·6 claims
- 0368US6028976ASplit type ribbon optical fiber core cableSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Feb 22, 2000·33 cites·9 claims
- 0461US11029478B2Polyethylene resin for use in spacer for optical fiber cable and spacer for optical fiber cable using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 2017·Granted Jun 8, 2021·0 cites·1 claims
- 0545US5945173AMethod of making optical fiber ribbonSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted Aug 31, 1999·12 cites·5 claims
- 0640US2020225432A1Optical fiber cableSUMITOMO ELECTRIC INDUSTRIES·Filed 2018·Application pending·0 cites
- 0736US5904883AMethod for producing optical fiber ribbonSUMITOMO ELECTRIC INDUSTRIES·Filed 1997·Granted May 18, 1999·6 cites·9 claims
- 0827US6471892B1Method of producing tape type optical fiber core wireSUMITOMO ELECTRIC INDUSTRIES·Filed 1998·Granted Oct 29, 2002·0 cites·11 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →